CN107858617A - The method that low-rotate speed mixing yoghurt was modified and prepared wear-resistant titanium surface to titanium surface - Google Patents
The method that low-rotate speed mixing yoghurt was modified and prepared wear-resistant titanium surface to titanium surface Download PDFInfo
- Publication number
- CN107858617A CN107858617A CN201711077880.2A CN201711077880A CN107858617A CN 107858617 A CN107858617 A CN 107858617A CN 201711077880 A CN201711077880 A CN 201711077880A CN 107858617 A CN107858617 A CN 107858617A
- Authority
- CN
- China
- Prior art keywords
- stirring
- titanium
- mixing yoghurt
- low
- head
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/16—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of other metals or alloys based thereon
- C22F1/18—High-melting or refractory metals or alloys based thereon
- C22F1/183—High-melting or refractory metals or alloys based thereon of titanium or alloys based thereon
Abstract
The invention discloses a kind of method that low-rotate speed mixing yoghurt is modified to titanium surface, comprise the following steps：Under argon gas protective condition, pending titanium plate material is fixed in mixing yoghurt equipment and is surface-treated, treatment process condition is：Stirring-head 100~200rpm of rotating speed, stirring-head pace are 10~50mm/min, and drafts is 0.1~0.5mm；A kind of method that rotating speed mixing yoghurt prepares wear-resistant titanium surface is also disclosed, is comprised the following steps：The method being modified using above-mentioned low-rotate speed mixing yoghurt to titanium surface is stirred friction processing, then carries out surface cut processing, thickness of cutting is 0.8~1.5mm.The present invention uses low-rotate speed agitating friction mode, regulates and controls titanium alloy surface texture, obtains nearly basal plane texture, further improves titanium plate material anti-wear performance.
Description
Technical field
The present invention relates to mixing yoghurt technical field, and in particular to a kind of low-rotate speed mixing yoghurt is to titanium surface
It is modified and prepares the method on wear-resistant titanium surface.
Background technology
Titanium alloy is Aero-Space, the important materials of field of marine equipment.Conventional titanium or titanium alloy with inductile because cutting
The shortcomings of cutting drag, low work hardening rate and scratch resistant poor performance, received during causing titanium or titanium alloy parts under arms
Failed to abrasive action.Therefore the abrasion resistance properties for improving titanium alloy have important meaning to the application for expanding titanium alloy
Justice.
Mixing yoghurt technology is derived by agitating friction welding technology, using on-consumable formula stirring-head " rotation-stirring-
Advance " composite machine motion, make processing district metal material experience severe plastic deformation, stirring area tissue occurs dynamic repeatedly and tied again
Brilliant behavior, realize worked structure densification, grain refining and homogenization.During mixing yoghurt mixing needle need not penetrate by
Rapidoprint, the processing of single pass mixing yoghurt can be used for processing small-volume workpiece, and the multi-pass agitating friction that partly overlaps adds
Work can realize that large-area workpiece surface is processed.Mixing yoghurt has pollution-free, repeatable strong, low energy consumption, operability
The features such as strong, there is notable engineering significance.
The severe plastic deformation of metal material can effectively reduce with dynamic recrystallization effect during mixing yoghurt
The crystallite dimension of material.Texture orientation is one of independent factor for controlling material property.Titanium is close-packed hexagonal structure metal, symmetrically
Property it is poor, process easily formed texture.The generation of texture makes the performance of metal anisotropy occur.Therefore texture is to titanium or titanium alloy
It can influence notable.The control of texture has vital effect to improving its performance in titanium alloy.After mixing yoghurt, stir
Mix core space texture and be approximately parallel to stirring-head direct of travel for HCP structure titanium c-axis.Usual titanium or titanium alloy mixing yoghurt
Stirring-head rotating speed selects more than 300rpm in processing, and titanium alloy surface texture is usually cylinder after normal agitation friction working process
Or conical surface texture.
The content of the invention
In view of the above-mentioned problems, titanium surface is entered by low-rotate speed mixing yoghurt it is an object of the invention to provide one kind
The modified method of row.
The present invention realize technical scheme that its purpose uses for：A kind of low-rotate speed mixing yoghurt changes to titanium surface
The method of property, comprises the following steps：Under argon gas protective condition, pending titanium plate material is fixed on mixing yoghurt equipment
On be surface-treated, treatment process condition is：The rpm of stirring-head rotating speed 100~200, stirring-head pace be 10~
50mm/min, drafts are 0.1~0.5mm.
The mixing needle length for the stirring-head that the mixing yoghurt uses is 2~4mm.
The mixing yoghurt uses tungsten-rhenium alloy stirring-head, stirring-head shaft shoulder diameter 160mm, mixing needle length 3mm,
Mixing needle root diameter (RD) 6mm, end diameter 4mm.
The titanium plate material is annealed state titanium plate material.
Preferably, the above method comprises the following steps：Under argon gas protective condition, pending titanium plate material is fixed
It is surface-treated in mixing yoghurt equipment, treatment process condition is：Stirring-head rotating speed 180rpm, stirring-head advance
Speed is 25mm/min, and drafts 0.5mm, stirring-head inclination angle is 3 °.
A kind of method for preparing wear-resistant titanium surface another object of the present invention is to provide low-rotate speed mixing yoghurt,
Comprise the following steps：The method being modified using above-mentioned low-rotate speed mixing yoghurt to titanium surface is stirred friction and added
Work, surface cut processing is then carried out, thickness of cutting is 0.8~1.5mm.
Preferably, thickness of cutting 1.0mm.
The beneficial effects of the invention are as follows：Mixing yoghurt is combined with the regulation and control of alloy texture, changes current titanium and titanium
The Surface Texture that alloy mixing yoghurt is formed, further improve titanium plate material anti-wear performance.The present invention is stirred using low-rotate speed
Friction mode, regulate and control titanium alloy surface texture, obtain nearly basal plane texture；The present invention provides table after mixing yoghurt processing simultaneously
Face handling process, the outstanding titanium surface of wearability is obtained, the abrasion resistance properties of titanium can be effectively improved.What the inventive method obtained
Surface Texture is stable, and assay reproducibility is good, easy to operate, efficiency high.
Brief description of the drawings
Fig. 1 is titanium material micro-organization chart before and after low-rotate speed mixing yoghurt, wherein, (a)：Front face tissue is handled,
(b)：Handle back plate covering weave.
Fig. 2 is sample texture variation diagram after low-rotate speed mixing yoghurt, wherein, (a)：Sheet material Surface Texture after processing,
(b)：Away from texture at the 1mm of surface, (c) after processing：Away from texture at the 2mm of surface after processing.
Wear rate statistical chart at sample and different depth before and after Fig. 3 low-rotate speed mixing yoghurts.
Sample wears cross section profile figure before and after low-rotate speed mixing yoghurt after Fig. 4 ball millings.
Embodiment
With reference to embodiment, the invention will be further described, but not thereby limiting the invention.
Following examples are stirred friction working process, stirring-head shaft shoulder diameter using tungsten-rhenium alloy stirring-head
160mm, mixing needle length 3mm, mixing needle root diameter (RD) 6mm, end diameter 4mm.Experiment material selects annealed state industrially pure titanium
TA2 sheet materials, sheet material is immersed in acetone soln before processing, the surface and oil contaminant of sample is washed using ultrasonic wave.Original plate
Annealing process and original state it is as shown in table 1.
The industrial pure titanium TA2 annealing process of table 1 and room temperature state
Titanium or titanium alloy carries out being machined oxidizable more than 550 DEG C, therefore needs whole process to be passed through in mixing yoghurt
High-purity argon gas is protected to sheet material.Titanium alloy poor thermal conductivity, process reply sheet material force cooling to keep violent plasticity
Fine grained texture caused by recrystallization after deformation, while prevent sheet material from oxidation stain problem occurring in process.
Embodiment 1
Mixing yoghurt technique uses 180rpm stirring-head rotating speeds, 25mm/min stirring-head gait of march, and the shaft shoulder pushes
Measure 0.5mm, 3 ° of stirring-head inclination angle.Use sample microstructure (as shown in Figure 1) before and after ECC observation stir process.From Fig. 1
It can be seen that sample crystallite dimension is about 5 μm after stirring friction treatment, the severe plastic deformation mode can effectively crystal grain thinning and
Ensure that fine grained texture is uniform.
Sample direction is defined as after agitating friction：PD- stirring-head direct of travels, TD- perpendicular to stirring-head direct of travel,
ND- thicknesss of slab direction.Sample texture is analyzed using EBSD, test scope is 1mm x 1mm, as a result as shown in Fig. 2 sample stirs core
Heart district is varied from from surface to center portion texture, and within top layer 1mm or so depth, plate surface is nearly basal plane texture,
Below top layer 1mm or so depth, sheet material texture is changed into basal plane //ND directions.To initial sample and away from surface different depth sample
The experiment of ball disk dry Sliding Friction Wear is carried out, gliding cable structure 62.8mm/s, tests sample wear rate under different loads, as a result such as
Shown in Fig. 3；Sample abrasion cross section profile figure is as shown in Figure 4 before and after processing.Test result indicates that stirring friction treatment can be effective
The abrasion resistance properties of titanium are improved, the tissue away from case depth 1mm or so is with most preferably wear-resisting after low-rotate speed stirring friction treatment
Damage performance.Surface cut processing is carried out to the titanium plate material after stirring friction treatment, thickness of cutting is 1 mm, obtains wear-resistant titanium table
Face.
Embodiment 2
Mixing yoghurt technique uses 100rpm stirring-head rotating speeds, 50mm/min stirring-head gait of march, and the shaft shoulder pushes
Measure 0.3mm, 3 ° of stirring-head inclination angle.Sample microstructure before and after stir process, sample after stirring friction treatment are observed using ECC
Crystallite dimension is about 4 μm, and the severe plastic deformation mode effectively crystal grain thinning and can ensure that fine grained texture is uniform.
Using EBSD analyze sample texture, test scope be 0.2mm x 2mm, is as a result shown, sample stirring core space from
Surface is varied to center portion texture, and within top layer 1mm or so depth, plate surface is nearly basal plane texture, top layer 1mm
Below the depth of left and right, sheet material texture is changed into basal plane //ND directions.Ball is carried out to initial sample and away from surface different depth sample
Disk dry Sliding Friction Wear is tested, and gliding cable structure is 62.8 mm/s, tests sample wear rate under different loads, experimental result table
Bright stirring friction treatment can effectively improve the abrasion resistance properties of titanium, away from case depth 0.8mm after low-rotate speed stirring friction treatment
The tissue of left and right has optimal abrasion resistance properties.Surface cut processing, cutting are carried out to the titanium plate material after stirring friction treatment
Thickness is 0.8 mm, obtains wear-resistant titanium surface.
Embodiment 3
Mixing yoghurt technique uses 200rpm stirring-head rotating speeds, 10mm/min stirring-head gait of march, and the shaft shoulder pushes
Measure 0.1mm, 3 ° of stirring-head inclination angle.Sample microstructure before and after stir process, sample after stirring friction treatment are observed using ECC
Crystallite dimension is about 7 μm, and the severe plastic deformation mode effectively crystal grain thinning and can ensure that fine grained texture is uniform.
Sample texture is analyzed using EBSD, test scope is 0.2mm x 1.5mm, is as a result shown, sample stirring core space
It is varied from from surface to center portion texture, within top layer 1.5mm or so depth, plate surface is nearly basal plane texture, table
Below layer 1.5mm or so depth, sheet material texture is changed into basal plane //ND directions.To initial sample and away from surface different depth sample
The experiment of ball disk dry Sliding Friction Wear is carried out, gliding cable structure 62.8mm/s, tests sample wear rate under different loads, experiment
As a result the abrasion resistance properties of titanium can be effectively improved by showing stirring friction treatment, away from case depth after low-rotate speed stirring friction treatment
1.5mm or so tissue has optimal abrasion resistance properties.Surface cut processing is carried out to the titanium plate material after stirring friction treatment,
Thickness of cutting is 1.5mm, obtains wear-resistant titanium surface.
Claims (7)
1. a kind of method that low-rotate speed mixing yoghurt is modified to titanium surface, it is characterised in that comprise the following steps：
Under argon gas protective condition, pending titanium plate material is fixed in mixing yoghurt equipment and is surface-treated, handling process
Condition is：Stirring-head 100~200rpm of rotating speed, stirring-head pace are 10~50mm/min, and drafts is 0.1~0.5mm.
2. the method that low-rotate speed mixing yoghurt as claimed in claim 1 is modified to titanium surface, it is characterised in that institute
The mixing needle length for stating the stirring-head that mixing yoghurt uses is 2~4mm.
3. the method that low-rotate speed mixing yoghurt as claimed in claim 1 is modified to titanium surface, it is characterised in that institute
State mixing yoghurt and use tungsten-rhenium alloy stirring-head, stirring-head shaft shoulder diameter 160mm, mixing needle length 3mm, mixing needle root
Diameter 6mm, end diameter 4mm.
4. the method that low-rotate speed mixing yoghurt as claimed in claim 1 is modified to titanium surface, it is characterised in that institute
It is annealed state titanium plate material to state titanium plate material.
5. the method that low-rotate speed mixing yoghurt as claimed in claim 1 is modified to titanium surface, it is characterised in that bag
Include following steps：Under argon gas protective condition, pending titanium plate material is fixed in mixing yoghurt equipment and carries out surface
Processing, treatment process condition are：Stirring-head rotating speed 180rpm, stirring-head pace are 25mm/min, drafts 0.5mm,
Stirring-head inclination angle is 3 °.
6. a kind of method that low-rotate speed mixing yoghurt prepares wear-resistant titanium surface, it is characterised in that comprise the following steps：Adopt
Friction processing is stirred with the method described in any one of claim 1 to 5, then carries out surface cut processing, thickness of cutting
For 0.8~1.5mm.
7. the method that low-rotate speed mixing yoghurt as claimed in claim 6 prepares wear-resistant titanium surface, it is characterised in that cut
It is 1.0mm to cut thickness.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711077880.2A CN107858617A (en) | 2017-11-06 | 2017-11-06 | The method that low-rotate speed mixing yoghurt was modified and prepared wear-resistant titanium surface to titanium surface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711077880.2A CN107858617A (en) | 2017-11-06 | 2017-11-06 | The method that low-rotate speed mixing yoghurt was modified and prepared wear-resistant titanium surface to titanium surface |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107858617A true CN107858617A (en) | 2018-03-30 |
Family
ID=61701016
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711077880.2A Pending CN107858617A (en) | 2017-11-06 | 2017-11-06 | The method that low-rotate speed mixing yoghurt was modified and prepared wear-resistant titanium surface to titanium surface |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107858617A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109082617A (en) * | 2018-09-17 | 2018-12-25 | 重庆理工大学 | Improve the mixing yoghurt method of titanium alloy anti-corrosion wear performance |
| CN109182936A (en) * | 2018-09-17 | 2019-01-11 | 重庆理工大学 | The method for improving industrially pure titanium wear-resisting property by mixing yoghurt |
| CN110724949A (en) * | 2019-11-13 | 2020-01-24 | 上海交通大学 | Preparation method of high-entropy alloy layer on surface of medical beta titanium alloy |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1796036A (en) * | 2004-12-23 | 2006-07-05 | 中国科学院金属研究所 | Method for preparing surface aluminium based composite material |
| CN101058877A (en) * | 2007-03-12 | 2007-10-24 | 兰州理工大学 | Method of preparing thin crystal layer on magnesium alloy surface |
| CN101560617A (en) * | 2009-05-18 | 2009-10-21 | 北京科技大学 | Method for preparing aluminum-based composite material plate by friction stir |
| CN102284786A (en) * | 2011-07-18 | 2011-12-21 | 湖北工业大学 | Preparation method for compositing high-speed steel wear resistant layer on surface of aluminum alloy |
| CN103492116A (en) * | 2011-03-29 | 2014-01-01 | 公立大学法人大阪府立大学 | Tool for friction stir processing and method for friction stir processing using same |
| CN104894499A (en) * | 2014-03-05 | 2015-09-09 | 上海交通大学 | TiNbTaZr low-modulus titanium alloy surface treatment method |
-
2017
- 2017-11-06 CN CN201711077880.2A patent/CN107858617A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1796036A (en) * | 2004-12-23 | 2006-07-05 | 中国科学院金属研究所 | Method for preparing surface aluminium based composite material |
| CN101058877A (en) * | 2007-03-12 | 2007-10-24 | 兰州理工大学 | Method of preparing thin crystal layer on magnesium alloy surface |
| CN101560617A (en) * | 2009-05-18 | 2009-10-21 | 北京科技大学 | Method for preparing aluminum-based composite material plate by friction stir |
| CN103492116A (en) * | 2011-03-29 | 2014-01-01 | 公立大学法人大阪府立大学 | Tool for friction stir processing and method for friction stir processing using same |
| CN102284786A (en) * | 2011-07-18 | 2011-12-21 | 湖北工业大学 | Preparation method for compositing high-speed steel wear resistant layer on surface of aluminum alloy |
| CN104894499A (en) * | 2014-03-05 | 2015-09-09 | 上海交通大学 | TiNbTaZr low-modulus titanium alloy surface treatment method |
Non-Patent Citations (1)
| Title |
|---|
| 胥桥梁等: ""搅拌摩擦加工细晶TA2 纯钛及其热稳定性研究"", 《重庆理工大学学报（自然科学）》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109082617A (en) * | 2018-09-17 | 2018-12-25 | 重庆理工大学 | Improve the mixing yoghurt method of titanium alloy anti-corrosion wear performance |
| CN109182936A (en) * | 2018-09-17 | 2019-01-11 | 重庆理工大学 | The method for improving industrially pure titanium wear-resisting property by mixing yoghurt |
| CN110724949A (en) * | 2019-11-13 | 2020-01-24 | 上海交通大学 | Preparation method of high-entropy alloy layer on surface of medical beta titanium alloy |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Liang et al. | State-of-the-art of surface integrity induced by tool wear effects in machining process of titanium and nickel alloys: A review | |
| Li et al. | Effect of welding parameters on microstructure and mechanical properties of AA6061-T6 butt welded joints by stationary shoulder friction stir welding | |
| Patel et al. | Recent research progresses in Al-7075 based in-situ surface composite fabrication through friction stir processing: A review | |
| Mansoor et al. | Microstructure and tensile behavior of a friction stir processed magnesium alloy | |
| Li et al. | Surface characteristics of Ti–6Al–4V alloy by EDM with Cu–SiC composite electrode | |
| CN107858617A (en) | The method that low-rotate speed mixing yoghurt was modified and prepared wear-resistant titanium surface to titanium surface | |
| Amra et al. | Microstructure and wear performance of Al5083/CeO2/SiC mono and hybrid surface composites fabricated by friction stir processing | |
| Peng et al. | The effect of the inhomogeneous microstructure and texture on the mechanical properties of AZ31 Mg alloys processed by friction stir processing | |
| Sert et al. | Wear behavior of SiC-reinforced surface composite A17075-T651 aluminum alloy produced using friction stir processing | |
| Li et al. | Mechanical behavior and modeling of grinding force: a comparative analysis | |
| Ji et al. | Surface nanocrystallization and enhanced surface mechanical properties of nickel-based superalloy by coupled electric pulse and ultrasonic treatment | |
| Zhen-yu et al. | Effect of surface burnishing process with different strain paths on the copper microstructure | |
| Li et al. | Surface nanocrystallization of pure Cu induced by ultrasonic shot peening | |
| Li et al. | Microstructure and mechanical properties of friction stir processed TA5 alloy | |
| CN106929786B (en) | A kind of big thickness is nanocrystalline-preparation method of the surface graded layer of Ultra-fine Grained-coarse-grain | |
| CN113210909A (en) | Method for improving surface performance of magnesium alloy CMT additive manufacturing cladding layer | |
| CN107761048A (en) | The method that N C V Mo RE multicomponent thermochemical treatments strengthen steel material surface | |
| Nan et al. | Heterogeneous structure-induced strength and ductility synergy of α-brass subjected to rapid cooling friction stir welding | |
| Zhang et al. | Improving joint performance of friction stir welded AZ31/AM60 dissimilar Mg alloys by double-sided welding | |
| Stangl et al. | Influence of a fine-grained surface structure on the tensile behaviour of a beta stabilised intermetallic γ-TiAl-based alloy | |
| Wang et al. | A preliminary study of deformation behavior of friction stir welded Ti-6Al-4V | |
| Wang et al. | Effect of process duration on the microstructures of fast multiple rotation rolling-induced nanocrystalline layer and its wear properties | |
| Sanusi et al. | Experimental investigation of magnesium alloy processed by friction stir process using stainless steel powder as matrix composite | |
| Zheng et al. | Low-frequency axial vibration drilling of Al2O3/GFRP laminated composite plate by diamond trepanning bit | |
| CN110284084A (en) | A kind of high-strength abrasion-proof aluminum alloy plate plastic molding method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180330 |